The nation's top spy agencies warn that the number of cyber security threats facing Australia is increasing by the day, saying there were thousands of cyber security incidents affecting Australian businesses last year.

Fiat Chrysler will recall 1.4 million vehicles in the United States to install software to prevent hackers from gaining remote control of the engine, steering and other systems in what federal officials say is the first such action of its kind.

A 22-year-old Victorian man has been questioned by Australian Federal Police as part of a global operation targeting cybercriminals linked to a website described as "a cyber hornet's nest of criminal hackers".

ASIO and the AFP have been in secret talks with an Italian-based surveillance company notorious for helping dictatorships like Sudan spy on their own citizens, according to leaked emails published by Wikileaks.

Australian mining companies say they are becoming increasingly aware of hackers trying to gain access to their sensitive information, with some executives now taking extra precautions when doing business in China.

Pilots' associations are urging caution in considering a suggestion by German air traffic controllers to develop technology that ground staff could use to take remote command of a plane, helping to prevent a repeat of the Germanwings crash last month

French television network TV5Monde forced to broadcast only pre-recorded programs after an "unprecedented" hack by self-proclaimed Islamic State militants, who also hijacked its websites and social networks.